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<h1 class="ltx_title ltx_title_section">No filter</h1>

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<p class="ltx_p">This selection leaves the input data as it is for further processing,
i.e., <img id="Sx1.p1.m1" class="ltx_Math" style="vertical-align:-2px" src="mi/mi1.png" width="50" height="16" alt="F=I">.</p>
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<h2 class="ltx_title ltx_title_subsection">Threshold for approximate localization of molecules</h2>

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<p class="ltx_p">The <a href="../detectors/Threshold.html" title="" class="ltx_ref">threshold</a> value can be
specified by users as an expression combining mathematical functions
and operators with variables based on the current raw or filtered
image. Variables provided by this filter are:</p>
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<td class="ltx_td ltx_align_left"><span class="ltx_text ltx_font_typewriter">I</span></td>
<td class="ltx_td ltx_align_left">current raw input image</td>
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<td class="ltx_td ltx_align_left"><span class="ltx_text ltx_font_typewriter">F</span></td>
<td class="ltx_td ltx_align_left">corresponding filtered image</td>
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<h2 class="ltx_title ltx_title_subsection">See also</h2>

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<span class="ltx_tag ltx_tag_itemize">•</span> 
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<p class="ltx_p"><a href="ui/Filters.html" title="" class="ltx_ref">Image filtering and feature enhancement</a></p>
</div>
</li>
<li id="I1.i2" class="ltx_item" style="list-style-type:none;">
<span class="ltx_tag ltx_tag_itemize">•</span> 
<div id="I1.i2.p1" class="ltx_para">
<p class="ltx_p"><a href="../detectors/Detectors.html" title="" class="ltx_ref">Finding approximate positions of molecules</a></p>
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</li>
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<div class="ltx_page_logo">Generated  on Tue Jun  3 20:03:28 2014 by <a href="http://dlmf.nist.gov/LaTeXML/">LaTeXML <img src="" alt="[LOGO]"></a>
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